Mobility Radeon HD 3870 X2 vs Radeon HD 6850
Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 3870 X2 and Radeon HD 6850. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Mobility Radeon HD 3870 X2 and Radeon HD 6850. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Mobility Radeon HD 3870 X2 is a Laptop Graphics Card
Note: Mobility Radeon HD 3870 X2 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Mobility Radeon HD 3870 X2 here:
Main Specs
Mobility Radeon HD 3870 X2
Radeon HD 6850
Power consumption (TDP)
110 Watt
127 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
1 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 2x mini-DisplayPort
Check Price
Check Price
Radeon HD 6850 has 15% more power consumption, than Mobility Radeon HD 3870 X2.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Mobility Radeon HD 3870 X2 has 511 GB more memory, than Radeon HD 6850.
Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon HD 6850 - in Desktops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon HD 6850 - with TeraScale 2.
Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon HD 6850 - by 40 nm process technology.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
6−7
9−10
ultra / 1080p
4−5
5−6
QHD / 1440p
0−1
0−1
low / 720p
16−18
21−24
medium / 1080p
8−9
12−14
The average gaming FPS of Radeon HD 6850 in Assassin's Creed Odyssey is 33% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
16−18
ultra / 1080p
10−11
14−16
QHD / 1440p
0−1
0−1
low / 720p
24−27
35−40
medium / 1080p
12−14
16−18
The average gaming FPS of Radeon HD 6850 in Battlefield 5 is 40% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Mobility Radeon HD 3870 X2 and Radeon HD 6850 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
160−170
medium / 768p
110−120
130−140
ultra / 1080p
50−55
70−75
QHD / 1440p
27−30
40−45
4K / 2160p
27−30
30−33
high / 768p
80−85
100−110
The average gaming FPS of Radeon HD 6850 in Counter-Strike: Global Offensive is 24% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
18−20
27−30
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6850 in Cyberpunk 2077 is 7% more, than Mobility Radeon HD 3870 X2.
low / 768p
80−85
90−95
medium / 768p
55−60
70−75
ultra / 1080p
30−35
45−50
The average gaming FPS of Radeon HD 6850 in Dota 2 is 22% more, than Mobility Radeon HD 3870 X2.
high / 1080p
8−9
10−12
ultra / 1080p
7−8
10−11
4K / 2160p
3−4
4−5
low / 720p
18−20
24−27
medium / 1080p
8−9
12−14
The average gaming FPS of Radeon HD 6850 in Far Cry 5 is 33% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
18−20
ultra / 1080p
10−11
12−14
low / 720p
60−65
75−80
medium / 1080p
21−24
30−35
The average gaming FPS of Radeon HD 6850 in Fortnite is 29% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
16−18
ultra / 1080p
10−12
14−16
QHD / 1440p
1−2
4−5
low / 720p
24−27
35−40
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 6850 in Forza Horizon 4 is 38% more, than Mobility Radeon HD 3870 X2.
low / 768p
50−55
65−70
medium / 768p
45−50
55−60
high / 1080p
12−14
18−20
ultra / 1080p
6−7
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6850 in Grand Theft Auto V is 31% more, than Mobility Radeon HD 3870 X2.
high / 1080p
4−5
6−7
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
1−2
low / 720p
12−14
18−20
medium / 1080p
6−7
8−9
The average gaming FPS of Radeon HD 6850 in Metro Exodus is 50% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
100−110
high / 1080p
85−90
−
ultra / 1080p
80−85
90−95
medium / 1080p
90−95
95−100
The average gaming FPS of Radeon HD 6850 in Minecraft is 8% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
low / 720p
30−35
40−45
medium / 1080p
18−20
20−22
The average gaming FPS of Radeon HD 6850 in PLAYERUNKNOWN'S BATTLEGROUNDS is 20% more, than Mobility Radeon HD 3870 X2.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
18−20
medium / 1080p
10−12
12−14
The average gaming FPS of Radeon HD 6850 in Red Dead Redemption 2 is 30% more, than Mobility Radeon HD 3870 X2.
low / 768p
24−27
35−40
medium / 768p
16−18
21−24
high / 1080p
9−10
12−14
ultra / 1080p
6−7
8−9
4K / 2160p
6−7
7−8
The average gaming FPS of Radeon HD 6850 in The Witcher 3: Wild Hunt is 30% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
90−95
medium / 768p
45−50
50−55
ultra / 1080p
18−20
24−27
high / 768p
35−40
40−45
The average gaming FPS of Radeon HD 6850 in World of Tanks is 12% more, than Mobility Radeon HD 3870 X2.
Full Specs
Mobility Radeon HD 3870 X2
Radeon HD 6850
Architecture
RV6xx
TeraScale 2
Code name
M88-XT CF
Barts
Type
Laptop
Desktop
Release date
1 September 2008
21 October 2010
Pipelines
640
960
Core clock speed
660 MHz
Transistor count
666 million
1,700 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
10.56
37.20
Floating-point performance
2x 422.4 gflops
1,488.0 gflops
Length
198 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
850 MHz
Memory bandwidth
54.4 GB/s
128.0 GB/s
Shared memory
-
DirectX
10.1 (10_1)
Shader Model
4.1
5.0
OpenGL
3.3
4.4
OpenCL
N/A
1.2
Vulkan
N/A
Bus support
AGP
Bitcoin / BTC (SHA256)
139 Mh/s
Laptop size
large
Eyefinity
+
Design
reference
CrossFire
+
Check Price
Check Price
